ANTF0445E

Explanation
A FlashCopy® establish
request failed because OPENDVCS(YES) was specified and the target
device was found to be in an invalid state.   The invalid state could
be:The device is in a "not ready" state
The device is a CKD device
The device is not configured or not installed

System action
The command is rejected.

System programmer response
Verify the target device information
was specified. Either correct the specified target device information,
or ensure the target device is in a ready state. Resubmit the request.
 If the request continues to fail, search problem reporting databases
for a fix for the problem. If no fix exists, contact the IBM® Support Center.

Source
ESS FlashCopy